<!DOCTYPE html>
<html lang="zh-cn">
    <head>
        <meta charset="UTF-8"/>
        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
        <title>Document</title>

    </head>
    <body>
        <form class="cmxform" id="commentForm" method="get" action="">
          <fieldset>
            <legend>输入您的名字，邮箱，URL，备注。</legend>
            <p>
              <label for="cname">Name (必需, 最小两个字母)</label>
              <input id="cname" name="name" minlength="2" type="text" required>
            </p>
            <p>
              <label for="cemail">E-Mail (必需)</label>
              <input id="cemail" type="email" name="email" required>
            </p>
            <p>
              <label for="curl">URL (可选)</label>
              <input id="curl" type="url" name="url">
            </p>
            <p>
              <label for="ccomment">备注 (必需)</label>
              <textarea id="ccomment" name="comment" required></textarea>
            </p>
            <p>
              <input class="submit" type="submit" value="Submit">
            </p>
          </fieldset>
        </form>
        <script src="http://static.runoob.com/assets/jquery-validation-1.14.0/lib/jquery.js"></script>
        <script src="http://static.runoob.com/assets/jquery-validation-1.14.0/dist/jquery.validate.min.js"></script>
        <script>
        $.validator.setDefaults({
            submitHandler: function() {
              alert("提交事件!");
            }
        });
        $().ready(function() {
            $("#commentForm").validate();
        });
        </script>
    </body>
</html>